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Adobe Flash Media Server 5 介绍与入门

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140 smallfish001 发表于 2017-9-13 22:14:14
导读:Adobe?MediaServer5WhitePaperTableofcontents1:Introduction2:What’snewinAdobeMediaServer53:AdobeMediaServer5Family4:MultiProtocoldelivery6:DeliveryMethods7:VideoPlayerDevelopment8:Gl
Adobe? Media Server 5 White Paper



Table of contents 1: Introduction 2: What’s new in AdobeMedia Server 5 3: Adobe Media Server 5Family
4: MultiProtocol delivery 6: Delivery Methods 7: Video PlayerDevelopment 8: Glossary
9: Online Resources
Introducing Adobe? Media Server 5Secure video experiences consistent across devicesBy Lisa Larson-Kelley
The Adobe Media family of products revolutionizes media delivery, with support for secure, consistentstreaming on the widest array of devices—tablets, mobile devices, IPTV, and the desktop. Deliver and nowencrypt a single stream across multiple platforms and protocols, reaching iOS devices as well as platformsthat support Flash technologies—so you can fully monetize your video, reaching the most people with theleast hassle. Adobe Media Server (formerly Flash Media Server) continues to be the industry-leadingsolution for integrating streaming video and real-time communication with RTMP, RTMFP (peer-to-peernetworking), HTTP Dynamic Streaming, and SIP support.
New content protection solutions
Providing content protection that is right for the situation, Adobe Media Server now supports enhancedstream encryption or more sophisticated protection with business rules applied through Adobe Access?.When simple content protection rules are needed, Protected HTTP Dynamic Streaming (PHDS) for Flashand AIR-based clients, and Protected HTTP Live Streaming (PHLS) for iOS enable easy, robust contentencryption without an additional DRM license server. For mobile devices, Adobe Access or protectedstreaming can be used within AIR applications or native iOS applications.
Enhanced server management and media preparation
With the release of Adobe Media Server 5 software, customers benefit further from new features such as: ? More robust media origin services
? Advanced disk management for HTTP streaming ? Offline stream packaging ? Dynamic copy protection
Real-time data sharing, server-side plug-ins, logging, and monitoring APIs provide developers and IT teamswith the tools they need to develop and administer rich media applications on a massive scale. Adobe? Media Server 5 software provides a simplified HTTP publishing workflow that allows you to delivervideo to iOS, AIR and Flash Player quickly and easily. Flexible delivery methods can save significantbandwidth costs and lighten network load. Enhancements in integrated real-time communication open upnew business opportunities, with high quality voice and video capabilities providing access to a universeof SIP-enabled devices. From user-generated content to movies and television shows to corporate trainingand large-scale internal broadcasts, Adobe Media Server offers enterprise-level solutions for deliveringcontent and communications. Improved performance and quality of service metrics enhance playbackquality, while included prebuilt media players make deployment easier than ever.
This white paper outlines the powerful features of Adobe Media Server 5, explains protection options,introduces the various editions, and discusses the features available in each and how they can lower yourtotal cost of delivery and simplify your content preparation workflows. You will learn about the multipledelivery protocols supported by Adobe Media Server, and gain the knowledge you need to make informedchoices about how to deliver and monetize video and communication services to the largest online audience.


What’s New in Adobe Media Server 5
Adobe Media Server 5 is a scalable, real-time media origin server that packages and delivers high quality(up to HD level), on-demand and live audio/video content with great efficiency and superior quality-of-service (QoS) to reach the largest possible audience, regardless of the client platform. It can deliver prerecordedvideo, live video, playlists, music, video blogging, video messaging, multimedia chat environments,
real-timedatacasting, multiuser gaming, and more, via multiple delivery protocols.
Adobe Media Server now streams securely to Apple iOS, Flash Player, and Adobe AIR across platforms,browsers, and devices, with multiple protocols available. Enhanced real-time communication now featuresSIP Gateway support in Flash Player and Adobe AIR, along with RTMP and RTMFP protocols. Adobe Media Server 5 has many improvements and new features, including:
Expanded media streaming options ? Protected RTMP (pRTMP) ? 24/7 live streaming support
? Adobe Access key rotation and output protection (Adobe Access license required) ? Protected HTTP Dynamic Streaming for Adobe Flash and AIR (PHDS) ? Protected HTTP Live Streaming for Apple iOS (PHLS) ? Adaptive bitrate manifest support
? Multi-protocol manifest generator/pre-packaging tools (Flash and iOS) ? Adobe Access 4 DRM ready
? 608/708 closed captioning support
Enhanced communication features
? On-demand stream packaging for HTTP (Flash and iOS) ? Audio extraction for HLS (required for Apple App Store approval) ? SIP Gateway support with G711 coding in Flash Player ? High quality audio/video capture support ? Scalable P2P introduction services for Flash ? Multicast ingest and recording
Server platform
?Robust HTTP Media Origin services
?Advanced disk management for HTTP (Flash and iOS) ?Optimized Server configuration for live HDS ?Native 64-bit only
These improvements represent the continued evolution of Adobe Media Server, giving developers theadvanced features they need to create effective rich media applications across platforms and devices. Inaddition, OSMF reduces the learning curve and speeds up your time to market.
Adobe Media Server 5 Family
There are four Adobe Media Server 5 editions available: Adobe Media Server 5 DevelopmentStarter (free from Adobe) Adobe Media Server 5 Standard Adobe Media Server 5 Professional Adobe Media Server 5 Extended
Adobe Media Server 5 Professional and Adobe Media Server 5 Extended can operate as either an originor an edge server to distribute traffic load. Enhanced media origin services allow greater control overmedia publishing workflows for HTTP streaming to Adobe AIR, Flash Player and Apple iOS. For moredetails on origin and edge configurations, see the ―Scaling the server‖ section of the Adobe Media Server5 Technical Overview white paper (www.adobe.com/go/ams_techguide).
Adobe?MediaServer5WhitePaper 2






The following table provides a quick overview of supported features in each edition. Features supported inall editions are highlighted in bold.
Adobe Adobe Feature MediaServer MediaServer Adobe Adobe MediaServer 5 Extended 5 MediaServer 5 5 Starter Professional Standard HD live streaming 24/7 Live streaming supportusing DRM key rotation HTTP Live Streaming for iOS(HLS) ? ? Limited to 30 min Stream reconnect ? ? ? ? Live stream metadata (datakeyframes) Live adaptive bitrate streaming (HTTP) ? ? Limited to 30 min Multicast ingest andrecording Live 608/708 closed captionsupport High quality video capture ? ? 1 way only ? Live stream splitting ? ? ? Live adaptive bitrate Limited to 10 streaming (RTMP) ? simultaneousconnections DVR functionality (HTTP) ? ? Limited to 30 minDVR functionality (RTMP) ? ? ? Instant replay (RTMP) ? ? ? Linear server playlists(VOD>live) IP Multicast ? ? Limited to 30 min Application-level multicast ? ? Limited to 30 min Multicast fusion (peer assist) ? Limited to 30 min HD on-demand streaming Standalone offline packagingutilities (HDS and HLS) Stream reconnect In-buffering seeking (RTMP)Fast forward Available in all versions of Adobe Media Server 5 Slow to enable high quality streaming across the whole product offering motionFramest epping Back buffer for instant replay ? ? Limited to 30 min VOD adaptive bitrate streaming (HTTP) VOD 608/708 closed captionsupport VOD adaptive bitrate
Limited to 10 streaming (RTMP) ? ?
simultaneousAdobe?MediaServer5WhitePaper 3



















Adobe?MediaServer5WhitePaper 4connections


Adobe Adobe Feature
MediaServer MediaServer Adobe
Adobe MediaServer 5 Extended
5 MediaServer 5 5 Starter
Professional
Standard
Content Protection
Offline packaging
andencryption (HDS and
HLS)
Protected RTMP (pRTMP)

Protected HTTP Dynamic Streaming for Flash (PHDS) ? ? Limited to 30 min
Protected HTTP Live Streaming for iOS (PHLS) ? ? Limited to 30 min
Adobe Access 4DRM
ready

Encrypted RTMP (RTMPe) ? ? ? ?SWF verification ? ? ? ?Adobe Access streaming ? ? ? ?
RTMFP (encrypted) Limited to 500
Limited to 50 peers peers IP multicast (encrypted) ? ? Limited to 30 min
Server platform and security 64 bit Windows?, Linux only White/Black list domains IPV4, IPV6 C++ access controlextensibility Access C++ plug-in only Pre-configured HTTP originfor HTTP Dynamic StreamingLDAP Activ e Directorysupport Scalable process scopes RTMP edge caching C++ file managementextensib ilityQuality of servic e Robust logging Enhanced buffer control Bandwidth detection RTMP QoS (DiffServ) Linux only Linux only Linux only Linux only Enhanced caching Licensing Processor (CPU) limits None None None None Bandwidth limits None None None None Adobe?MediaServer5WhitePaper 5
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